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EARNINGS PER SHARE (Tables)

3 Months Ended

Mar. 31, 2021

The following table sets forth reconciliations of the numerators and denominators used to compute basic and diluted earnings (loss) per share of Class A common stock (in thousands, except per share amounts) for the thirteen weeks ended March 31, 2021 and March 25, 2020.


			Thirteen Weeks Ended
			March 31 2021		March 25 2020
Numerator:
	Net income (loss) attributable to Shake Shack Inc.—basic		$	1,309	$	(960)
	Reallocation of net loss attributable to non-controlling interests from the assumed conversion of Class B shares		(734)		—
	Net income (loss) attributable to Shake Shack Inc.—diluted		$	575	$	(960)
Denominator:
	Weighted-average shares of Class A common stock outstanding—basic		38,948		34,444
	Effect of dilutive securities:
		Stock options	232		—
		Performance stock units	53		—
		Restricted stock units	164		—
		Convertible Notes	451		—
		Shares of Class B common stock	2,941		—
	Weighted-average shares of Class A common stock outstanding—diluted		42,789		34,444

Earnings (loss) per share of Class A common stock—basic			$	0.03	$	(0.03)
Earnings (loss) per share of Class A common stock—diluted			$	0.01	$	(0.03)

The following table presents potentially dilutive securities, as of the end of the period, excluded from the computations of diluted earnings (loss) per share of Class A common stock for the thirteen weeks ended March 31, 2021 and March 25, 2020.


	Thirteen Weeks Ended
	March 31 2021		March 25 2020
Stock options	1,698	(1)	847,207	(3)
Performance stock units	51,974	(2)	179,253	(3)
Restricted stock units	—		264,431	(3)
Shares of Class B common stock	—		3,117,002	(3)

(1) Number of securities outstanding at the end of the period that were excluded from the computation of diluted earnings (loss) per share of Class A common stock because the exercise price of the stock options exceeded the average market price of our Class A common stock during the period ("out-of-the-money").

(2) Number of securities outstanding at the end of the period that were excluded from the computation of diluted earnings (loss) per share of Class A common stock because the performance conditions associated with these awards were not met assuming the end of the reporting period was the end of the performance period.

(3) Number of securities outstanding at the end of the period that were excluded from the computation of diluted earnings (loss) per share of Class A common stock because the effect would have been anti-dilutive.